Re: [PATCH RFC net-next 0/4] Add the dwmac driver support for T-HEAD TH1520 SoC.

From: Serge Semin
Date: Sun Jul 14 2024 - 09:15:45 EST


Hi Drew

On Sat, Jul 13, 2024 at 03:35:09PM -0700, Drew Fustini wrote:
> I am marking this as an RFC since it has been almost a year since the
> previous series and Jisheng has handed it off to me. There was
> discussion about the syscon for the APB registers in Jisheng's v2. I've
> gone a different route and switched to adding a second memory region to
> the gmac node:
>
> dwmac: DesignWare GMAC IP core registers
> apb: GMAC APB registers
>
> This patch depends my clock controller series:
>
> [PATCH v3 0/7] clk: thead: Add support for TH1520 AP_SUBSYS clock controller
> https://lore.kernel.org/linux-riscv/20240711-th1520-clk-v3-0-6ff17bb318fb@xxxxxxxxxxxxxxx/
>
> and the pinctrl series from Emil:
>
> [PATCH v2 0/8] Add T-Head TH1520 SoC pin control
> https://lore.kernel.org/linux-riscv/20240103132852.298964-1-emil.renner.berthing@xxxxxxxxxxxxx
>
> I have a branch with this series and the dependencies on top of 6.10-rc7:
> https://github.com/pdp7/linux/tree/b4/thead-dwmac
>
> Changes since Jisheng v2:
> - remove thead,gmacapb that references syscon for APB registers
> - add a second memory region to gmac nodes for the APB registers
> - Link: https://lore.kernel.org/all/20230827091710.1483-1-jszhang@xxxxxxxxxx/

I see the vast majority of the v2 comments left ignored:
compatible-string, Tx/Rx common clock handle, clock delays, etc.
Please take a closer look at v2 discussions and make sure the notes
were implemented or send a reasonable response why it wasn't done.

-Serge(y)

>
> Changes since Jisheng v1:
> - rebase on the lastest net-next
> - collect Reviewed-by tag
> - address Krzysztof's comment of the dt binding
> - fix "div is not initialised" issue pointed out by Simon
> - Link: https://lore.kernel.org/all/20230820120213.2054-1-jszhang@xxxxxxxxxx/
>
> ---
> Emil Renner Berthing (1):
> riscv: dts: thead: Add TH1520 ethernet nodes
>
> Jisheng Zhang (3):
> dt-bindings: net: snps,dwmac: allow dwmac-3.70a to set pbl properties
> dt-bindings: net: add T-HEAD dwmac support
> net: stmmac: add glue layer for T-HEAD TH1520 SoC
>
> .../devicetree/bindings/net/snps,dwmac.yaml | 2 +
> .../devicetree/bindings/net/thead,dwmac.yaml | 81 ++++++
> MAINTAINERS | 2 +
> arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts | 89 ++++++
> .../boot/dts/thead/th1520-lichee-module-4a.dtsi | 131 +++++++++
> arch/riscv/boot/dts/thead/th1520.dtsi | 55 +++-
> drivers/net/ethernet/stmicro/stmmac/Kconfig | 11 +
> drivers/net/ethernet/stmicro/stmmac/Makefile | 1 +
> drivers/net/ethernet/stmicro/stmmac/dwmac-thead.c | 300 +++++++++++++++++++++
> 9 files changed, 670 insertions(+), 2 deletions(-)
> ---
> base-commit: 568c4e4b646777f3373f383cc38864a3cd91bbb7
> change-id: 20240712-thead-dwmac-1d44c472bbd5
>
> Best regards,
> --
> Drew Fustini <dfustini@xxxxxxxxxxxxxxx>
>
>